<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
    <title>Title</title>
    <style>
        body{
            margin: 0;
            padding: 0;
            display: flex;
            justify-content: center;
            align-items: center;
        }
        .msg{
            width: 400px;
            height: 400px;
            color: red;
        }
    </style>
</head>
<body>
    <div class="msg">
        ${msg}
    </div>
</body>
</html>
